PreparED Study Materials
BISC 1112: Introductory Biology: The Biology of Organisms
School: George Washington University
Number of Notes and Study Guides Available: 15
Notes
Study Guides
Videos
Comparing Human & Amphibian Circulatory Systems: What's Shared
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the similarities and differences between the circulatory systems of amphibians and humans. Understand the distinctions in heart chambers, blood pressure, and where these two species align in their circulatory features.
Meal to Digestion: Grasping Distension & Body's Control Center
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Discover what happens in your body after a hearty meal! Learn about the concept of 'distension' and how nerve cells act as messengers to your control center, orchestrating the digestive process.
Lumbar vs. Popliteal & Umbilical: Position Defined
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Understand the anatomical significance and position of the lumbar region within the spinal structure. This video explains how the lumbar region which constitutes the lower back interacts with other areas like the popliteal and umbilical regions. Gain a clear perspective on its role in supporting body weight and its location relative to other spinal sections
Erythropoietin (EPO): Red Cell Production & Performance Risks
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Learn about the role of Erythropoietin (EPO), a natural kidney hormone, in controlling red blood cell production and oxygen transport. Discover how athletes misuse synthetic EPO for performance enhancement, despite the associated health risks.
Unsaturated Fats: The Double Bond Truth in Our Diet
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Unpack the properties and significance of unsaturated fats in our diet. Explore the importance of double bonds in the fatty acid chains. Conclude with an insightful evaluation of statements about unsaturated fats.
Epiglottis & Glottis: Guardians of Breath and Swallow
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Learn about the critical roles of the epiglottis and glottis in our respiratory and digestive systems. Understand how the epiglottis acts as a protective gate during swallowing, while the glottis facilitates sound production. Together, they ensure safe breathing and swallowing.













